August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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Buffered channels
The topic of this subsection is buffered channels. These are channels that allow the Go scheduler to put jobs in the queue quickly in order to be able to deal with more requests.
Moreover, you can use buffered channels as semaphores in order to limit the throughput of your application.
The technique presented here works as follows: all incoming requests are forwarded to a channel, which processes them one by one. When the channel is done processing a request, it sends a message to the original caller saying that it is ready to process a new one. So, the capacity of the buffer of the channel restricts the number of simultaneous requests that it can keep.
The technique will be presented with the help of the code found in ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.